This model is from the movie Interstellar. I would have made some holes for where the connectors would go but my computer was lagging because of the model so you can add them if you want. 

Here are some sizing and quantity recommendations for a larger size.

Endurance central tube: 789.95%, quantity: 1

Endurance block p1: 789.95%, quantity: 4

Endurance block p2: 2114.97%, quantity: 2

Endurance block p3: 2534.27%, quantity: 6

Endurance block connector: 285.66%, quantity: 12

Ranger: 14.72%, quantity 2

Lander: 17.34%, quantity 2